| #!/usr/bin/env python3 |
| |
| import os |
| import random |
| import sys |
| from urllib.parse import parse_qs |
| |
| value = parse_qs(os.environ.get('QUERY_STRING', ''), keep_blank_values=True).get('value', [''])[0] |
| |
| sys.stdout.write('Content-Type: text/html\r\n') |
| |
| if value in ['off', 'on', 'foo']: |
| sys.stdout.write('X-DNS-Prefetch-Control: {}\r\n\r\n'.format(value)) |
| else: |
| sys.stdout.write('\r\n') |
| |
| fake_domain = 'www.{}.invalid'.format(random.randint(0, 32768)) |
| sys.stdout.write( |
| '<html>\n' |
| '<body>\n' |
| '<a href=\'http://{domain}/\'>{domain}</a>\n' |
| '</body>\n' |
| '</html>\n'.format(domain=fake_domain) |
| ) |